/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 01:07:01,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 01:07:01,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 01:07:01,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 01:07:01,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 01:07:01,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 01:07:01,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 01:07:01,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 01:07:01,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 01:07:01,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 01:07:01,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 01:07:01,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 01:07:01,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 01:07:01,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 01:07:01,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 01:07:01,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 01:07:01,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 01:07:01,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 01:07:01,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 01:07:01,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 01:07:01,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 01:07:01,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 01:07:01,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 01:07:01,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 01:07:01,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-29 01:07:01,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-29 01:07:01,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-29 01:07:01,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-29 01:07:01,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-29 01:07:01,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-29 01:07:01,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 01:07:01,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 01:07:01,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 01:07:01,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 01:07:01,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 01:07:01,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 01:07:01,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 01:07:01,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 01:07:01,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 01:07:01,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 01:07:01,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 01:07:01,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 01:07:01,816 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 01:07:01,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 01:07:01,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 01:07:01,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 01:07:01,822 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 01:07:01,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 01:07:01,822 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 01:07:01,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 01:07:01,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 01:07:01,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 01:07:01,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 01:07:01,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 01:07:01,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 01:07:01,825 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 01:07:01,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 01:07:01,825 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 01:07:01,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 01:07:01,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 01:07:01,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 01:07:01,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 01:07:01,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 01:07:01,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 01:07:01,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 01:07:01,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 01:07:01,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 01:07:01,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 01:07:01,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 01:07:01,828 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 01:07:01,828 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 01:07:01,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 01:07:01,829 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 01:07:02,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 01:07:02,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 01:07:02,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 01:07:02,341 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 01:07:02,342 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 01:07:02,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-04-29 01:07:02,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb873a051/3d8080af1c5a4ea98eca664e20a57070/FLAG1767764b4 [2021-04-29 01:07:03,193 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 01:07:03,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-04-29 01:07:03,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb873a051/3d8080af1c5a4ea98eca664e20a57070/FLAG1767764b4 [2021-04-29 01:07:03,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb873a051/3d8080af1c5a4ea98eca664e20a57070 [2021-04-29 01:07:03,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 01:07:03,418 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 01:07:03,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 01:07:03,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 01:07:03,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 01:07:03,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 01:07:03" (1/1) ... [2021-04-29 01:07:03,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113ed4f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:07:03, skipping insertion in model container [2021-04-29 01:07:03,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 01:07:03" (1/1) ... [2021-04-29 01:07:03,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 01:07:03,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 01:07:04,426 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-04-29 01:07:04,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 01:07:04,457 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 01:07:04,507 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-04-29 01:07:04,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 01:07:04,965 INFO L208 MainTranslator]: Completed translation [2021-04-29 01:07:04,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:07:04 WrapperNode [2021-04-29 01:07:04,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 01:07:04,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 01:07:04,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 01:07:04,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 01:07:04,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:07:04" (1/1) ... [2021-04-29 01:07:05,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:07:04" (1/1) ... [2021-04-29 01:07:05,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 01:07:05,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 01:07:05,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 01:07:05,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 01:07:05,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:07:04" (1/1) ... [2021-04-29 01:07:05,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:07:04" (1/1) ... [2021-04-29 01:07:05,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:07:04" (1/1) ... [2021-04-29 01:07:05,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:07:04" (1/1) ... [2021-04-29 01:07:05,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:07:04" (1/1) ... [2021-04-29 01:07:05,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:07:04" (1/1) ... [2021-04-29 01:07:05,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:07:04" (1/1) ... [2021-04-29 01:07:05,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 01:07:05,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 01:07:05,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 01:07:05,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 01:07:05,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:07:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 01:07:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 01:07:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-29 01:07:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-04-29 01:07:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-04-29 01:07:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 01:07:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 01:07:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 01:07:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-29 01:07:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-29 01:07:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 01:07:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 01:07:05,208 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 01:07:05,988 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 01:07:05,989 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-04-29 01:07:05,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 01:07:05 BoogieIcfgContainer [2021-04-29 01:07:05,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 01:07:05,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 01:07:05,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 01:07:05,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 01:07:06,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 01:07:03" (1/3) ... [2021-04-29 01:07:06,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768d7444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 01:07:06, skipping insertion in model container [2021-04-29 01:07:06,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:07:04" (2/3) ... [2021-04-29 01:07:06,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768d7444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 01:07:06, skipping insertion in model container [2021-04-29 01:07:06,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 01:07:05" (3/3) ... [2021-04-29 01:07:06,003 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2021-04-29 01:07:06,014 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 01:07:06,019 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-04-29 01:07:06,020 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 01:07:06,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,066 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,066 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,066 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,067 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,067 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,067 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,067 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,067 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,068 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,068 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,068 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,069 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,069 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,069 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,069 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,069 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,070 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,070 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,070 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,070 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,071 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,071 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,071 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,072 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,072 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,072 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,072 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,075 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,075 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,075 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,076 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,076 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,076 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,076 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:07:06,085 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-04-29 01:07:06,112 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-29 01:07:06,139 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 01:07:06,140 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 01:07:06,140 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 01:07:06,140 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 01:07:06,140 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 01:07:06,140 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 01:07:06,141 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 01:07:06,141 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 01:07:06,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 92 transitions, 192 flow [2021-04-29 01:07:06,209 INFO L129 PetriNetUnfolder]: 5/103 cut-off events. [2021-04-29 01:07:06,209 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 01:07:06,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 5/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 178 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 58. Up to 3 conditions per place. [2021-04-29 01:07:06,213 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 92 transitions, 192 flow [2021-04-29 01:07:06,219 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 82 transitions, 170 flow [2021-04-29 01:07:06,221 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:07:06,239 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 82 transitions, 170 flow [2021-04-29 01:07:06,243 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 82 transitions, 170 flow [2021-04-29 01:07:06,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 82 transitions, 170 flow [2021-04-29 01:07:06,266 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-04-29 01:07:06,266 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 01:07:06,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 82 events. 2/82 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 85 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2021-04-29 01:07:06,274 INFO L146 LiptonReduction]: Number of co-enabled transitions 420 [2021-04-29 01:07:11,738 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2021-04-29 01:07:11,979 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2021-04-29 01:07:12,171 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-29 01:07:12,338 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-29 01:07:12,519 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-04-29 01:07:12,728 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-04-29 01:07:17,753 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 01:07:18,181 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:18,316 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:18,443 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:18,577 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:18,742 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:07:18,883 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:07:19,021 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:07:19,161 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:07:19,288 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:19,412 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:19,549 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:19,680 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:19,812 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:07:19,921 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:07:20,033 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:07:20,146 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:07:20,265 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:20,382 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:20,505 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:20,630 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:20,770 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:20,897 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:21,012 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:21,163 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:21,339 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:07:21,498 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:07:21,664 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:07:21,821 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:07:21,969 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:22,107 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:22,239 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:22,369 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:22,541 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:07:22,700 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:07:22,879 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-29 01:07:23,049 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-29 01:07:23,203 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:23,339 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:23,464 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:23,583 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:24,082 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:24,207 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:24,339 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:24,468 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:24,608 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:07:24,752 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:07:24,890 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:07:25,026 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:07:25,157 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:25,282 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:25,408 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:25,562 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:25,696 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:25,832 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:25,966 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:26,110 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:26,241 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:26,373 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:26,499 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:26,625 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:26,753 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:26,878 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:27,003 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:27,134 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:07:27,280 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:07:27,405 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:07:27,518 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:07:27,637 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:07:27,750 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 01:07:27,862 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 01:07:27,983 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 01:07:28,103 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 01:07:28,263 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:28,403 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:28,546 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:28,686 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:28,892 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:29,025 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:29,160 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:29,304 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:07:29,465 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 01:07:29,616 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 01:07:29,796 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 01:07:29,969 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-29 01:07:30,126 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 01:07:30,284 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:07:30,453 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-29 01:07:30,622 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-29 01:07:30,781 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 01:07:30,931 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 01:07:31,098 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-29 01:07:31,259 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-29 01:07:31,433 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 01:07:31,609 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-29 01:07:31,797 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 01:07:32,000 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 01:07:32,164 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 01:07:32,333 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 01:07:32,500 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-29 01:07:32,662 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-29 01:07:32,823 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 01:07:32,979 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:07:33,164 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 01:07:33,343 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 01:07:33,529 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 01:07:33,703 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 01:07:33,884 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 01:07:34,063 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 01:07:34,223 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 01:07:34,378 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 01:07:34,555 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 01:07:34,736 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-29 01:07:34,947 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 01:07:35,126 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 01:07:35,316 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 01:07:35,504 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 01:07:35,740 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-04-29 01:07:35,959 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-04-29 01:07:36,222 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-04-29 01:07:36,470 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-04-29 01:07:36,534 INFO L158 LiptonReduction]: Checked pairs total: 1129 [2021-04-29 01:07:36,535 INFO L160 LiptonReduction]: Total number of compositions: 238 [2021-04-29 01:07:36,545 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30325 [2021-04-29 01:07:36,560 INFO L129 PetriNetUnfolder]: 0/1 cut-off events. [2021-04-29 01:07:36,560 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:07:36,560 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:07:36,561 INFO L263 CegarLoopForPetriNet]: trace histogram [1] [2021-04-29 01:07:36,561 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:07:36,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:07:36,569 INFO L82 PathProgramCache]: Analyzing trace with hash 479, now seen corresponding path program 1 times [2021-04-29 01:07:36,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:07:36,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116580552] [2021-04-29 01:07:36,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:07:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:07:36,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:07:36,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116580552] [2021-04-29 01:07:36,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:07:36,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-04-29 01:07:36,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127330867] [2021-04-29 01:07:36,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-04-29 01:07:36,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:07:36,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-04-29 01:07:36,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-04-29 01:07:36,883 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 330 [2021-04-29 01:07:36,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 98 transitions, 202 flow. Second operand has 2 states, 2 states have (on average 282.5) internal successors, (565), 2 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:07:36,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:07:36,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 330 [2021-04-29 01:07:36,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:07:36,940 INFO L129 PetriNetUnfolder]: 0/82 cut-off events. [2021-04-29 01:07:36,940 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 01:07:36,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 82 events. 0/82 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 522 event pairs, 0 based on Foata normal form. 4/10 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 01:07:36,943 INFO L132 encePairwiseOnDemand]: 314/330 looper letters, 0 selfloop transitions, 0 changer transitions 82/82 dead transitions. [2021-04-29 01:07:36,943 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 82 transitions, 170 flow [2021-04-29 01:07:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-29 01:07:36,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-04-29 01:07:36,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 580 transitions. [2021-04-29 01:07:36,968 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8787878787878788 [2021-04-29 01:07:36,970 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 580 transitions. [2021-04-29 01:07:36,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 580 transitions. [2021-04-29 01:07:36,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:07:36,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 580 transitions. [2021-04-29 01:07:36,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 290.0) internal successors, (580), 2 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:07:37,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:07:37,002 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:07:37,004 INFO L185 Difference]: Start difference. First operand has 102 places, 98 transitions, 202 flow. Second operand 2 states and 580 transitions. [2021-04-29 01:07:37,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 82 transitions, 170 flow [2021-04-29 01:07:37,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 82 transitions, 166 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 01:07:37,011 INFO L241 Difference]: Finished difference. Result has 85 places, 0 transitions, 0 flow [2021-04-29 01:07:37,014 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=85, PETRI_TRANSITIONS=0} [2021-04-29 01:07:37,015 INFO L343 CegarLoopForPetriNet]: 102 programPoint places, -17 predicate places. [2021-04-29 01:07:37,015 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:07:37,015 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 0 transitions, 0 flow [2021-04-29 01:07:37,015 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 0 transitions, 0 flow [2021-04-29 01:07:37,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-04-29 01:07:37,016 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-04-29 01:07:37,016 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:07:37,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-04-29 01:07:37,016 INFO L146 LiptonReduction]: Number of co-enabled transitions 0 [2021-04-29 01:07:37,017 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:07:37,017 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:07:37,017 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-04-29 01:07:37,018 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-04-29 01:07:37,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 282.5) internal successors, (565), 2 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:07:37,019 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 01:07:37,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 01:07:37 BasicIcfg [2021-04-29 01:07:37,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 01:07:37,026 INFO L168 Benchmark]: Toolchain (without parser) took 33643.60 ms. Allocated memory was 302.0 MB in the beginning and 570.4 MB in the end (delta: 268.4 MB). Free memory was 275.3 MB in the beginning and 348.5 MB in the end (delta: -73.2 MB). Peak memory consumption was 197.4 MB. Max. memory is 16.0 GB. [2021-04-29 01:07:37,027 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 302.0 MB. Free memory was 271.8 MB in the beginning and 271.7 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 01:07:37,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1546.13 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 168.1 MB in the end (delta: 104.2 MB). Peak memory consumption was 106.2 MB. Max. memory is 16.0 GB. [2021-04-29 01:07:37,028 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.88 ms. Allocated memory is still 302.0 MB. Free memory was 168.1 MB in the beginning and 165.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-29 01:07:37,029 INFO L168 Benchmark]: Boogie Preprocessor took 55.58 ms. Allocated memory is still 302.0 MB. Free memory was 165.0 MB in the beginning and 162.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 01:07:37,030 INFO L168 Benchmark]: RCFGBuilder took 889.55 ms. Allocated memory was 302.0 MB in the beginning and 383.8 MB in the end (delta: 81.8 MB). Free memory was 162.9 MB in the beginning and 348.9 MB in the end (delta: -186.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.0 GB. [2021-04-29 01:07:37,030 INFO L168 Benchmark]: TraceAbstraction took 31031.15 ms. Allocated memory was 383.8 MB in the beginning and 570.4 MB in the end (delta: 186.6 MB). Free memory was 348.9 MB in the beginning and 348.5 MB in the end (delta: 431.2 kB). Peak memory consumption was 188.1 MB. Max. memory is 16.0 GB. [2021-04-29 01:07:37,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 302.0 MB. Free memory was 271.8 MB in the beginning and 271.7 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1546.13 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 168.1 MB in the end (delta: 104.2 MB). Peak memory consumption was 106.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 77.88 ms. Allocated memory is still 302.0 MB. Free memory was 168.1 MB in the beginning and 165.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 55.58 ms. Allocated memory is still 302.0 MB. Free memory was 165.0 MB in the beginning and 162.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 889.55 ms. Allocated memory was 302.0 MB in the beginning and 383.8 MB in the end (delta: 81.8 MB). Free memory was 162.9 MB in the beginning and 348.9 MB in the end (delta: -186.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 31031.15 ms. Allocated memory was 383.8 MB in the beginning and 570.4 MB in the end (delta: 186.6 MB). Free memory was 348.9 MB in the beginning and 348.5 MB in the end (delta: 431.2 kB). Peak memory consumption was 188.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30291.9ms, 84 PlacesBefore, 102 PlacesAfterwards, 82 TransitionsBefore, 98 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 8 FixpointIterations, 165 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 1 ConcurrentYvCompositions, 3 ChoiceCompositions, 238 TotalNumberOfCompositions, 1129 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1129, positive: 1129, positive conditional: 1129, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 438, positive: 438, positive conditional: 0, positive unconditional: 438, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 438, positive: 438, positive conditional: 0, positive unconditional: 438, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 438, positive: 438, positive conditional: 0, positive unconditional: 438, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1129, positive: 691, positive conditional: 691, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 438, unknown conditional: 438, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 438, Positive conditional cache size: 438, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3ms, 85 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 438, Positive conditional cache size: 438, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 30886.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 141.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 30414.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 5.0ms SsaConstructionTime, 29.7ms SatisfiabilityAnalysisTime, 62.0ms InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...